Service Guide 2-29
8719ET/20ET/22ET System Verification and Performance Tests
8719ES/20ES/22ES System Verification
RF Network Analyzers
In Case of Difficulty
NOTE Inspect all connections. DO NOT disconnect the cables from the analyzer test
ports. This will invalidate the calibration that you have done earlier.
• Repeat “Verification Device Measurements,” on page 2-25. Be sure to make good
connections for each verification device measurement.
• If the analyzer still fails the test, check the measurement calibration as follows:
1. Press .
2. Recall the calibration by pressing
.
3. Use the front panel knob to highlight the calibration you want to recall and press
.
4. Connect the short to cable 1.
5. Press
.
6. Press .
ES Models (Check PORT 2)
7. Check that the trace response is 0.00 ± 0.05 dB.
8. Disconnect the short and connect it cable 2.
9. Press .
10.Check that the trace response is 0.00 ± 0.05 dB.
11.If any of the trace responses are out of the specified limits, repeat “Measurement
Calibration,” on page 2-22 and “Verification Device Measurements,” on page 2-25.
12.Refer to Chapter 4, “Start Troubleshooting Here” for more troubleshooting
information.
Preset
Preset
Save/Recall
Meas
Sweep Setup
.05 x1
Meas